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Download scripts/schema_gen.py from YukiKaze1337/cn-sqlite-sft: direct link, hf CLI and curl.
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https://huggingface.co/datasets/YukiKaze1337/cn-sqlite-sft/resolve/main/scripts/schema_gen.py
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hf download hf://datasets/YukiKaze1337/cn-sqlite-sft/scripts/schema_gen.py
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curl -L -o schema_gen.py https://huggingface.co/datasets/YukiKaze1337/cn-sqlite-sft/resolve/main/scripts/schema_gen.py
2.91 kB
| """让老师批量生成新的 SQLite 库建表语句,扩充训练集的表结构多样性。 | |
| python schema_gen.py --n 12 --out schemas/extra | |
| """ | |
| import argparse | |
| import json | |
| import os | |
| import re | |
| from pathlib import Path | |
| import httpx | |
| # 包里脚本在 scripts/,schemas/ data/ 在上一级;GitHub 仓库是平铺的,两种都认 | |
| ROOT = Path(__file__).resolve().parent | |
| if not (ROOT / "schemas").is_dir(): | |
| ROOT = ROOT.parent | |
| API = "https://api.deepseek.com/chat/completions" | |
| PROMPT = """生成 {n} 个互不相同的 SQLite 业务数据库设计,每个库 3 到 5 张表。 | |
| 要求: | |
| - 领域要杂:可以是物流、酒店、银行、在线课程、健身、招聘、票务、宠物医院、农场、仓储、社交、音乐平台、租房、保险、图书电商、快递柜、停车场、咖啡店、律所、实验室…… | |
| - 每个库用一个英文小写单词或下划线短语做库名,表名也用英文 | |
| - 字段类型只用 INTEGER / TEXT / REAL,主键用 INTEGER PRIMARY KEY | |
| - 字段名要具体,别用 col1 这种;金额用 REAL,日期用 TEXT | |
| - 表之间要有外键关系(外键字段可以不加 FOREIGN KEY 约束) | |
| - 至少有一张表带状态字段(如 status),至少有一个金额字段,至少有一个日期字段 | |
| 只输出 JSON:{{"databases": [{{"name": "logistics", "ddl": "CREATE TABLE ...;\\nCREATE TABLE ...;"}}]}}""" | |
| def api_key() -> str: | |
| """DeepSeek 的 key 从环境变量 DEEPSEEK_API_KEY 读,不写进代码和仓库。""" | |
| key = os.environ.get("DEEPSEEK_API_KEY", "").strip() | |
| if not key: | |
| raise SystemExit("先设置环境变量 DEEPSEEK_API_KEY") | |
| return key | |
| def main() -> None: | |
| ap = argparse.ArgumentParser() | |
| ap.add_argument("--n", type=int, default=12) | |
| ap.add_argument("--out", default="schemas/extra") | |
| args = ap.parse_args() | |
| key = api_key() | |
| out = ROOT / args.out | |
| out.mkdir(parents=True, exist_ok=True) | |
| payload = { | |
| "model": "deepseek-chat", | |
| "messages": [ | |
| {"role": "system", "content": "你只输出 JSON。"}, | |
| {"role": "user", "content": PROMPT.format(n=args.n)}, | |
| ], | |
| "temperature": 1.0, | |
| "max_tokens": 8000, | |
| "response_format": {"type": "json_object"}, | |
| } | |
| r = httpx.post(API, json=payload, timeout=300, headers={"Authorization": f"Bearer {key}"}) | |
| r.raise_for_status() | |
| data = json.loads(r.json()["choices"][0]["message"]["content"]) | |
| n = 0 | |
| for db in data.get("databases") or []: | |
| name = re.sub(r"[^a-z0-9_]", "", str(db.get("name") or "").lower()) | |
| ddl = str(db.get("ddl") or "").strip() | |
| if not name or "create table" not in ddl.lower(): | |
| continue | |
| (out / f"{name}.sql").write_text(ddl + "\n", encoding="utf-8") | |
| n += 1 | |
| print("写入", name) | |
| print(f"共 {n} 个库 → {out}") | |
| if __name__ == "__main__": | |
| main() | |